The social media company reported Tuesday that third quarter revenue jumped 33% to $13.73 billion, less than expected. User growth figures also missed estimates.

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But it wasn't all bad news: Earnings per share of $1.76 topped Wall Street's estimates, and Facebook stock was up 4% before the bell on Wednesday.

Facebook estimated that over 2.6 billion people now use Facebook, WhatsApp, Instagram or Messenger each month. More than 2 billion people use at least one of these Facebook-owned apps each day on average.

The South Korean conglomerate made 17.6 trillion won ($15.6 billion) in operating profit for the three months ended in September. That's a jump of 20.9% from the same period last year and Samsung's highest quarterly earnings ever.

But it said it doesn't expect the party to last.

"Looking ahead to the fourth quarter, Samsung expects overall earnings across the company to decline as it enters a period of weak seasonality for the semiconductor market," it said in the statement.